<template>
  <div style="padding: 10px">

    <!--    功能区-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
      <el-button type="primary">导入</el-button>
      <el-button type="primary">导出</el-button>

    </div>
<!--搜索区域-->
    <div style="margin: 10px 0">
      <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>

    </div>
    <el-table
        :data="tableData"
        border
        stripe
        style="width: 100%">
      <el-table-column
          prop="id"
          label="ID"
          sortable
      >

      </el-table-column>
      <el-table-column
          prop="username"
          label="用户名">
      </el-table-column>
      <el-table-column
          prop="nickname"
          label="昵称">
      </el-table-column>
      <el-table-column
          prop="age"
          label="年龄">
      </el-table-column>
      <el-table-column
        prop="sex"
        label="性别">
      </el-table-column>
      <el-table-column
          prop="address"
          label="地址">
      </el-table-column>

      <el-table-column label="角色">
        <template #default ="scope">

          <span v-if="scope.row.role === 1">管理员</span>
          <span v-if="scope.row.role === 2">普通用户</span>

        </template>
      </el-table-column>

      <el-table-column label="操作">
        <template #default="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>

          <el-popconfirm
              title="确定删除吗？" @confirm="handleDelete(scope.row.id)"
          >
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>

        </template>
      </el-table-column>

    </el-table>

    <div style="margin: 10px">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="currentPage"
          :page-sizes="[5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>

      <el-dialog
          title="提示"
          v-model="dialogVisible"
          width="30%">
        <el-form model="form" label-width="120px">

          <el-form-item label="用户名">
            <el-input v-model="form.username" style="width: 80%" placeholder="请输入用户名"></el-input>
          </el-form-item>

          <el-form-item label="昵称">
            <el-input v-model="form.nickname" style="width: 80%" placeholder="请输入昵称"></el-input>
          </el-form-item>

          <el-form-item label="年龄">
            <el-input v-model="form.age" style="width: 80%" placeholder="请输入年龄"></el-input>
          </el-form-item>

          <el-form-item label="性别">
            <el-radio v-model="form.sex" label="男">男</el-radio>
            <el-radio v-model="form.sex" label="女">女</el-radio>
            <el-radio v-model="form.sex" label="未知">未知</el-radio>

          </el-form-item>

          <el-form-item label="地址">
            <el-input v-model="form.address" style="width: 80%" placeholder="请输入地址"></el-input>
          </el-form-item>

          <el-form-item label="角色">
            <template #default ="scope">

              <span v-if="scope.row.role === 1">管理员</span>
              <span v-if="scope.row.role === 2">普通用户</span>

            </template>
          </el-form-item>
        </el-form>
        <template #footer>
    <span class="dialog-footer">
      <el-button @click="dialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </span>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>


import request from "../utils/request";

export default {
  name: 'User',

  components: {

  },

  data(){
    return {
      form:{},
      dialogVisible:false,
      search:this.searchStr,
      currentPage:1,
      pageSize:10,
      total:0,
      tableData: []
    }
  },

  //加载方法的时候调用
  created() {
    this.load()
    },

  methods:{
    //查询用户信息数据
    load(){
      console.log("来了 。。。list:")

      request.get("/user",{
        params: {
          pageNum:this.currentPage,
          pageSize:this.pageSize,
          searchStr:this.search

        },

      }).then(res => {
        console.log("list:" + res)
        this.tableData = res.data.records
        this.total = res.data.total
      }).catch(function (error){
        console.log("error:" + error)

      });
    },

    //弹出用户信息填写表单
    add(){
      this.dialogVisible=true//控制表单的显示和隐藏
      //清空表单域
      this.form = {}//赋值为空对象，清空表单所有属性
    },
    //保存用户信息填写的表单信息
    save(){
      //form对象传到后台去 axios
      if (this.form.id){//更新
        request.put("/user",this.form).then(res => {
          console.log("update:" + res)
          //对res的code的结果（0，1）判断后 进行弹窗提示
          if (res.code == '0'){
            this.$message({
              type:"success",
              message:"更新成功"
            })
          }else {
            this.$message({
              type:"error",
              message:res.msg
            })
          }

          this.load()//刷新表格数据
          this.dialogVisible = false

        })
      }else {//新增
        request.post("/user",this.form).then(res => {
          console.log("save:" + res)
          //进行弹窗提示
          if (res.code == '0'){
            this.$message({
              type:"success",
              message:"新增成功"
            })
          }else {
            this.$message({
              type:"error",
              message:res.msg
            })
          }
          this.load()//刷新表格数据
          this.dialogVisible = false
        })
      }

      // this.form = {}//传值
    },

    //编辑
    handleEdit(row){//避免表格的数据变化，将用户信息数据深拷贝，与原来的数据隔离开
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
    },

    handleDelete(id){
      console.log(id)
      request.delete("/user/" + id).then(res =>{
        //进行弹窗提示
        if (res.code == '0'){
          this.$message({
            type:"success",
            message:"删除成功"
          })

          this.load()//重新加载

        }else {
          this.$message({
            type:"error",
            message:res.msg
          })
        }

      })
    },

    handleSizeChange(pageSize){//改变当前每页的个数触发
      this.pageSize = pageSize
      this.load()
    },

    handleCurrentChange(pageNum){
      this.currentPage = pageNum
      this.load()
    }
  }
}
</script>
